Pajero II Workshop Manual 1991 · FUEL · страница 54 из 339 · Открыть оригинал PDF ↗

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IGNITION SWITCH-ST and INHIBITOR SWITCH [A/T only]

OPERATION

The ignition switch-ST inputs HIGH-level sig-
nals to the engine control unit during engine
cranking:Theenginecontrol unit,basedon
those signals, regulatesfuel injection during
starting, etc

When the ignition switch is set to START,the
battery voltage during engine cranking is,by
wayof the ignition switch,andthe inhibitor
switch, applied to the engine control unit, and
the engine control unit thus detects the fact
that the engine is crankingNote that battery
voltage isnot appliedtotheenginecontrol
unit if the position of the select lever is other
than thePorN
range_
Theinhibitor switch functionstoconvert the
voltage to HIGH level or LOW level depending
whetherthe select lever is at the
upon
orN"rangeOrisatsomepositionother
than thePor"N"range,andinputsthe
result to the enginecontrol unit.the engine
control unit,baseduponthose signals,then
regulates the operation of the idle-speed con-
trol servo

Battery voltage within the engine control unit
is applied, by way of the resistance, to the in-
hibitor switch.When the select lever is set to
thePOrN"range, contunuity is created,
viathestartermotor;betweentheengine
controlunit'sinhibitorswitchterminaland
earth, ad the terminal voltage becomes LOW
level:

TROUBLESHOOTING HINTS

If the output of the inhibitor switch is abnormal
even though the results of the checking of the in-
hibitor switchharnessand of the component it-
self arenormal,it is probablethat the cause is
improper adjustment of the control cable_

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